/*************************************************************************
    > File Name: 10.2.cpp
    > Author: liyisheng
    > Mail: liyishengchn@gmail.com 
    > Created Time: Sun 15 Mar 2015 11:44:49 PM CST
 ************************************************************************/

#include<iostream>
using namespace std;

int main(int argc, char *argv[])
{
	return 0;
}
